Aama Window Rating System

Aama started evaluating the thermal performance of windows and doors in 1972.

Aama window rating system. The performance based material neutral north american fenestration standard nafs governing windows doors and skylights aama wdma csa 101 i s 2 a440 is no exception. Note this is a laboratory test procedure for high velocity wind driven rain conditions with no correlation to wind zones and exposure categories. Products have to be independently tested in an official aama laboratory guaranteeing their reliable behavior in homes. This joint effort between aama and the insulating glass manufacturers alliance igma is intended to explain in consumer language what each of the standards means in order for consumers to be able to discern if there are allowable characteristics within the glass in their windows doors or skylights.

I or temperature index is based on the csa a440 2 test method. Field testing of windows and doors. Fenestration standards are always evolving due to changes in technology building codes and rating system performance requirements. For reporting purposes the product type shall be typed in full or represented by abbreviations as shown in.

Repeat air infiltration water penetration testing operating force. There are three different condensation rating systems used in north america. In order to be assigned this certification a window must meet the american architectural manufacturers association s standards for air leakage water penetration wind and forced entry resistance durability and thermal window performance. Testing the window for air infiltration water penetration uniform structural operating force.

Since that time aama standards have evolved to include windows and doors of various materials and types as well as ensuring that emerging technologies are assessed. Cycles of misuse and abuse. Each rating is split into two values. 2 97 voluntary specification for aluminum vinyl and wood windows and glass doors it establishes four performance requirements for a completed window or door.

This radiation can cause your home to heat regardless of outside temperature which may be favorable or unfavorable depending on. Crf or condensation rating factor is based on the aama 1503 test method. Architectural window aw aama rating. Aama 520 voluntary specification for rating the severe wind driven rain resistance of windows doors and unit skylights.

Cycle test including misuse. These web pages provide a general overview of the standards specifications and test methods used in the window door and skylight industry relating to glass and glazing systems. Solar heat gain coefficient measures how well a product can resist unwanted direct or indirect solar radiation. Door systems sliding doors and unit skylights for new construction and replacement applications.

Aama wdma csa 101 i s 2 a440 05 standard specification for windows doors and. The aama gold label is sort of like a shortcut to identify high performing quality products. The first aama voluntary standard for thermal performance was developed specifically to measure the condensation resistance of windows and sliding glass doors. Door specific rating the circled value shows you the rating a door has received.

And maximum size tested to achieve this rating.